<template>
	<el-form ref="loginForm" :model="state.ruleForm" :rules="state.formRules" class="login-content-form" size="large">
		<el-form-item class="login-animation1" prop="username">
			<el-input
				v-model="state.ruleForm.username"
				:placeholder="$t('message.account.accountPlaceholder1')"
				autocomplete="off"
				clearable
				type="text"
			>
				<template #prefix>
					<el-icon class="el-input__icon">
						<ele-User />
					</el-icon>
				</template>
			</el-input>
		</el-form-item>
		<el-form-item class="login-animation2" prop="password">
			<el-input
				v-model="state.ruleForm.password"
				:placeholder="$t('message.account.accountPlaceholder2')"
				:type="state.isShowPassword ? 'text' : 'password'"
				autocomplete="off"
				@keyup.enter="onSignIn"
			>
				<template #prefix>
					<el-icon class="el-input__icon">
						<ele-Unlock />
					</el-icon>
				</template>
				<template #suffix>
					<i
						:class="state.isShowPassword ? 'icon-yincangmima' : 'icon-xianshimima'"
						class="iconfont el-input__icon login-content-password"
						@click="state.isShowPassword = !state.isShowPassword"
					></i>
				</template>
			</el-input>
		</el-form-item>
		<el-form-item class="login-animation3" prop="verifyCode">
			<el-col :span="15">
				<el-input
					v-model="state.ruleForm.verifyCode"
					:placeholder="$t('message.account.accountPlaceholder3')"
					autocomplete="off"
					clearable
					maxlength="4"
					type="text"
					@keyup.enter="onSignIn"
				>
					<template #prefix>
						<el-icon class="el-input__icon">
							<ele-Position />
						</el-icon>
					</template>
				</el-input>
			</el-col>
			<el-col :span="1"></el-col>
			<el-col :span="8">
				<div class="login-content-code">
					<img
						:src="state.captchaSrc"
						class="login-content-code-img"
						height="38"
						style="cursor: pointer"
						width="130"
						@click="getCaptcha"
					/>
				</div>
			</el-col>
		</el-form-item>
		<el-form-item class="login-animation4">
			<el-button
				:loading="state.loading.signIn"
				class="login-content-submit"
				round
				type="primary"
				@click="onSignIn"
			>
				<span>{{ $t('message.account.accountBtnText') }}</span>
			</el-button>
		</el-form-item>
	</el-form>
</template>

<script lang="ts" setup>
import { reactive, computed, onMounted, getCurrentInstance, ref, unref } from 'vue'
import { useRoute, useRouter } from 'vue-router'
import { ElMessage } from 'element-plus'
import { useI18n } from 'vue-i18n'
import Cookies from 'js-cookie'
import { storeToRefs } from 'pinia'
import { useThemeConfig } from '/@/stores/themeConfig'
import { initFrontEndControlRoutes } from '/@/router/frontEnd'
import { initBackEndControlRoutes } from '/@/router/backEnd'
import { Session } from '/@/utils/storage'
import { formatAxis } from '/@/utils/formatTime'
import { NextLoading } from '/@/utils/loading'
import { login, captcha } from '/@/api/login'

const { t } = useI18n()
const { proxy } = <any>getCurrentInstance()
const storesThemeConfig = useThemeConfig()
const { themeConfig } = storeToRefs(storesThemeConfig)
const route = useRoute()
const router = useRouter()
const loginForm = ref(null)

const state = reactive({
	isShowPassword: false,
	ruleForm: {
		username: '',
		password: '',
		verifyCode: '',
		verifyKey: '',
	},
	formRules: {
		username: [{ required: true, trigger: 'blur', message: '用户名不能为空' }],
		password: [{ required: true, trigger: 'blur', message: '密码不能为空' }],
		verifyCode: [{ required: true, trigger: 'blur', message: '验证码不能为空' }],
	},
	loading: {
		signIn: false,
	},
	captchaSrc: '',
})

onMounted(() => {
	getCaptcha()
})
const getCaptcha = () => {
	captcha().then((res: any) => {
		state.captchaSrc = res.data.img
		state.ruleForm.verifyKey = res.data.key
	})
}
// 时间获取
const currentTime = computed(() => {
	return formatAxis(new Date())
})
// 登录
const onSignIn = async () => {
	if (state.loading.signIn) {
		return
	}
	const formWrap = unref(loginForm) as any
	if (!formWrap) return
	formWrap.validate((valid: boolean) => {
		if (valid) {
			state.loading.signIn = true
			login(state.ruleForm)
				.then(async (res: any) => {
					const userInfo = res.data.userInfo
					userInfo.avatar = proxy.getUpFileUrl(userInfo.avatar)
					// 存储 token 到浏览器缓存
					Session.set('token', res.data.token)
					// 存储用户信息到浏览器缓存
					Session.set('userInfo', userInfo)
					// 设置用户菜单
					Session.set('userMenu', res.data.menuList)
					// 设置按钮权限
					Session.set('permissions', res.data.permissions)
					// 模拟数据，对接接口时，记得删除多余代码及对应依赖的引入。用于 `/src/stores/userInfo.ts` 中不同用户登录判断（模拟数据）
					Cookies.set('username', state.ruleForm.username)
					if (!themeConfig.value.isRequestRoutes) {
						// 前端控制路由，2、请注意执行顺序
						await initFrontEndControlRoutes()
						signInSuccess()
					} else {
						// 模拟后端控制路由，isRequestRoutes 为 true，则开启后端控制路由
						// 添加完动态路由，再进行 router 跳转，否则可能报错 No match found for location with path "/"
						await initBackEndControlRoutes()
						// 执行完 initBackEndControlRoutes，再执行 signInSuccess
						signInSuccess()
					}
				})
				.catch(() => {
					state.loading.signIn = false
					getCaptcha()
				})
		}
	})
}
// 登录成功后的跳转
const signInSuccess = () => {
	// 初始化登录成功时间问候语
	let currentTimeInfo = currentTime.value
	// 登录成功，跳到转首页
	// 如果是复制粘贴的路径，非首页/登录页，那么登录成功后重定向到对应的路径中
	if (route.query?.redirect) {
		router.push({
			path: <string>route.query?.redirect,
			query: Object.keys(<string>route.query?.params).length > 0 ? JSON.parse(<string>route.query?.params) : '',
		})
	} else {
		router.push('/')
	}
	// 登录成功提示
	// 关闭 loading
	state.loading.signIn = true
	const signInText = t('message.signInText')
	ElMessage.success(`${currentTimeInfo}，${signInText}`)
	// 添加 loading，防止第一次进入界面时出现短暂空白
	NextLoading.start()
}

defineOptions({ name: 'loginAccount' })
</script>

<style lang="scss" scoped>
.login-content-form {
	margin-top: 20px;
	@for $i from 1 through 4 {
		.login-animation#{$i} {
			opacity: 0;
			animation-name: error-num;
			animation-duration: 0.5s;
			animation-fill-mode: forwards;
			animation-delay: calc($i/10) + s;
		}
	}

	.login-content-password {
		display: inline-block;
		width: 20px;
		cursor: pointer;

		&:hover {
			color: #909399;
		}
	}

	.login-content-code {
		display: flex;
		align-items: center;
		justify-content: space-around;

		.login-content-code-img {
			width: 100%;
			height: 40px;
			line-height: 40px;
			background-color: #ffffff;
			border: 1px solid rgb(220, 223, 230);
			cursor: pointer;
			transition: all ease 0.2s;
			border-radius: 4px;
			user-select: none;

			&:hover {
				border-color: #c0c4cc;
				transition: all ease 0.2s;
			}
		}
	}

	.login-content-submit {
		width: 100%;
		letter-spacing: 2px;
		font-weight: 300;
		margin-top: 15px;
	}
}
</style>
